a(n) = 19*a(n-1) + a(n-2), starting with a(0) = 2 and a(1) = 19.
A090308
a(n) = 19*a(n-1) + a(n-2), starting with a(0) = 2 and a(1) = 19.
Terms
- a(0) =2a(1) =19a(2) =363a(3) =6916a(4) =131767a(5) =2510489a(6) =47831058a(7) =911300591a(8) =17362542287a(9) =330799604044
External references
- oeis: A090308